diff --git a/doc/lispintro/.gitignore b/doc/lispintro/.gitignore
new file mode 100644
index 00000000000..e1af5a918b0
--- /dev/null
+++ b/doc/lispintro/.gitignore
@@ -0,0 +1,21 @@
+*.aux
+*.fn
+*.fns
+*.cps
+*.cp
+*.kys
+*.ky
+*.toc
+*.pgs
+*.pg
+*.log
+*.vrs
+*.vr
+*.dvi
+*.ps
+*.tp
+*.tps
+*.tmp
+*.txt
+Makefile
+makefile